The mysterious green-haired girl known as C.C. is alive and intent on hanging around Lelouch as he accepted the contract and the Geass Power. Meanwhile, Suzaku is set free and encounters a strange girl who calls herself Euphie.

Viceroy Cornelia sets a trap to lure Zero out. C.C. tries to stop him, but Lelouch plans on making an appearance despite the Viceroy's plot. But will the "Goddess of Victory" prove to be a more cunning opponent?